擦邊球

(table tennis) edge ball / (fig.) actions that are technically legal but perhaps not respectable

to wipe / to erase / rubbing (brush stroke in painting) / to clean / to polish

to make light contact with the edge of sth / (fig.) to be nearly (a certain age); to be close to (danger) / (fig.) to be marginal (in terms of relevance or legality)

side / edge / margin / border / boundary / CL:個|个[ge4] / simultaneously

suffix of a noun of locality

ball / sphere / globe / CL:個|个[ge4] / ball game / match / CL:場|场[chang3]

to bend the rules / to skirt around the issue